Well-wishers walks next to portraits of Thailand's King Bhumibol Adulyadej at Siriraj Hospital in Bangkok September 21, 2009. Thai King Bhumibol Adulyadej, the world's longest-reigning monarch, has been treated with antibiotic medicines and put on a saline drip at Bangkok 's Siriraj Hospital, the Royal Household Bureau said on Sunday. (Reuters)

Thai women hold garlands as they pray for the health of Thai King Bhumibol Adulyadej during a gathering of well-wishers outside a hospital in Bangkok on September 21, 2009, where the king is being treated. Thailand's revered King Bhumibol Adulyadej, the world's longest-reigning monarch, remained in hospital after being admitted with a fever and fatigue, hospital sources said. (Getty Images)